SQL使用一个表中的位置选择多个行

Question

我有一张名为"学生"的桌子.

 Student
    id | name | age
    1  | john | 10
    2  | jack | 10
    3  | jerry| 10

我想选择1行和2行.我写了Select * from Student where name=john and name=jack 但是返回"空集".我该怎么做.帮我.

Answer 1

select *
from student
where name in ('john', 'jack')

要么

select *
from student
where name = 'john'
or name = 'jack'